Does anyone know of any adjustable BMS that you can buy right now and are not crazy expensive.
I am only looking for adjustable voltage endpoints, I don’t need any other extra features.
My research has only turned up 3 options.
- DieBie BMS, very nice but expensive because many features. Low availability. 12s max.
- FlexiBMS, closer to what I want, but still under development, 12s max.
- Fancy Chinese ebike BMS. Available now Up to any cell count you could want. Reasonable price. But is the hardware and software reliable?
I would like to build a 13s 18650 pack and only charge to 3.9v - 4.0v for long cell life. You could do this on 12s with a hobby ballance charger but for 13s there is no easy way with hobby chargers. You could use two 8s chargers but its not as convenient as a BMS.
This 10 to 15s ebike BMS could work but I don’t know how trustworthy they are. Anyone try these before?